Coffee brewer



FIG. 1 is a front perspective view of a coffee brewer, showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view thereof, the opposite side being a mirror image thereof; and,

FIG. 4 is a top plan view thereof.

The broken lines in FIGS. 1, 2 and 3 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a coffee brewer, as shown and described. 